Difference between revisions of "Tooth"

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== Description ==
 
== Description ==
  
1) A hard, bone-like structure grown in the mouth of vertebrates. Teeth are composed of a soft center surrounded by hard [http://cameo.mfa.org/materials/fullrecord.asp?name=dentin dentin] primarily composed of [http://cameo.mfa.org/materials/fullrecord.asp?name=calcium hydroxyapatite calcium hydroxyapatite] with smaller amounts of [http://cameo.mfa.org/materials/fullrecord.asp?name=calcium carbonate calcium carbonate], [http://cameo.mfa.org/materials/fullrecord.asp?name=calcium fluoride calcium fluoride], [http://cameo.mfa.org/materials/fullrecord.asp?name=magnesium phosphate magnesium phosphate], and [http://cameo.mfa.org/materials/fullrecord.asp?name=ossein ossein]. The smooth outer surface is covered with hard, durable enamel. Animal teeth, such as from hippopotami, whales, lions, dogs, boars, and bears have been used to make gaming pieces, buttons, and jewelry. Once worked, it is difficult to tell teeth from [http://cameo.mfa.org/materials/fullrecord.asp?name=tusk tusks], [http://cameo.mfa.org/materials/fullrecord.asp?name=ivory ivory] and even [http://cameo.mfa.org/materials/fullrecord.asp?name=antler antler].
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1) A hard, bone-like structure grown in the mouth of vertebrates. Teeth are composed of a soft center surrounded by hard [http://cameo.mfa.org/materials/fullrecord.asp?name=dentin dentin] primarily composed of [http://cameo.mfa.org/materials/fullrecord.asp?name=calcium%20hydroxyapatite calcium hydroxyapatite] with smaller amounts of [http://cameo.mfa.org/materials/fullrecord.asp?name=calcium%20carbonate calcium carbonate], [http://cameo.mfa.org/materials/fullrecord.asp?name=calcium%20fluoride calcium fluoride], [http://cameo.mfa.org/materials/fullrecord.asp?name=magnesium%20phosphate magnesium phosphate], and [http://cameo.mfa.org/materials/fullrecord.asp?name=ossein ossein]. The smooth outer surface is covered with hard, durable enamel. Animal teeth, such as from hippopotami, whales, lions, dogs, boars, and bears have been used to make gaming pieces, buttons, and jewelry. Once worked, it is difficult to tell teeth from [http://cameo.mfa.org/materials/fullrecord.asp?name=tusk tusks], [http://cameo.mfa.org/materials/fullrecord.asp?name=ivory ivory] and even [http://cameo.mfa.org/materials/fullrecord.asp?name=antler antler].
  
 
2) A textural description of a rough or absorbent surface.
 
2) A textural description of a rough or absorbent surface.
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== Synonyms and Related Terms ==
 
== Synonyms and Related Terms ==
  
1) teeth (plural); dent (Fr.); Zahn (Deut.); diente (Esp.); dente (It., Port.); Tnder (Sven.); tand (Dan., Ned.)
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1) teeth (plural); dent (Fr.); Zahn (Deut.); diente (Esp.); dente (It., Port.); Tänder (Sven.); tand (Dan., Ned.)
  
 
== Other Properties ==
 
== Other Properties ==
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== Authority ==
 
== Authority ==
  
* Hermann Kuhn, Hermann Kuhn, ''Conservation and Restoration of Works of Art and Antiquities'', Butterworths, London, 1986
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* Hermann Kuhn, ''Conservation and Restoration of Works of Art and Antiquities'', Butterworths, London, 1986
  
* Oppi Untracht, Oppi Untracht, ''Jewelry Concepts and Technology'', Doubleday & Co., Inc., New York City, 1985
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* Oppi Untracht, ''Jewelry Concepts and Technology'', Doubleday & Co., Inc., New York City, 1985
  
* A. MacGregor, A. MacGregor, ''Bone, Antler, Ivory, and Horn'', Croom Helm, London, 1985
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* A. MacGregor, ''Bone, Antler, Ivory, and Horn'', Croom Helm, London, 1985
  
 
* Wikipedia, the free encyclopedia, at http://www.wikipedia.com  Comment: http://en.wikipedia.org/wiki/Teeth (Accessed Sept. 28, 2005)
 
* Wikipedia, the free encyclopedia, at http://www.wikipedia.com  Comment: http://en.wikipedia.org/wiki/Teeth (Accessed Sept. 28, 2005)

Revision as of 06:48, 24 July 2013

1971.832a-SC26866.jpg

Description

1) A hard, bone-like structure grown in the mouth of vertebrates. Teeth are composed of a soft center surrounded by hard dentin primarily composed of calcium hydroxyapatite with smaller amounts of calcium carbonate, calcium fluoride, magnesium phosphate, and ossein. The smooth outer surface is covered with hard, durable enamel. Animal teeth, such as from hippopotami, whales, lions, dogs, boars, and bears have been used to make gaming pieces, buttons, and jewelry. Once worked, it is difficult to tell teeth from tusks, ivory and even antler.

2) A textural description of a rough or absorbent surface.

2003.349-SC75350.jpg

Synonyms and Related Terms

1) teeth (plural); dent (Fr.); Zahn (Deut.); diente (Esp.); dente (It., Port.); Tänder (Sven.); tand (Dan., Ned.)

Other Properties

In cross section at high magnifications, teeth exhibit a honeycomb structure composed of interconnected horseshoe shapes

Authority

  • Hermann Kuhn, Conservation and Restoration of Works of Art and Antiquities, Butterworths, London, 1986
  • Oppi Untracht, Jewelry Concepts and Technology, Doubleday & Co., Inc., New York City, 1985
  • A. MacGregor, Bone, Antler, Ivory, and Horn, Croom Helm, London, 1985

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